Functional Description
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Table 26-7. SYSBOOT Configuration Pins[4] (continued)
SYSBOOT[15:14 SYSBOOT[13:12 SYSBOOT[11:10 SYSBOOT[9] SYSBOOT[8] SYSBOOT[7:6] SYSBOOT[5] SYSBOOT[4:0] Boot Sequence
] ] ]
00b 01010b EMAC1 XIP SPI0 NANDI2C
00b = 19.2MHz For XIP boot: 0 = ECC done 0 = 8-bit device 00b = MII 0 = CLKOUT1
(all other values (MUX1)[2
by ROM disabled
01b = 24MHz 00b = non-muxed 1 = 16-bit 01b = RMII
reserved) ]
device 1 = ECC device 1 = CLKOUT1
10b = 25MHz 10b =
handled by enabled
10b = muxed Reserved
11b = 26MHz
NAND
device
11b = RGMII
x1b = reserved w/o internal
delay
For NAND boot:
must be 00b
00b For NAND boot: Don't care for Don't care for 01011b USB0 NAND SPI0 MMC0
00b = 19.2MHz 0 = ECC done 0 = CLKOUT1
(all other values must be 00b ROM code ROM code
by ROM disabled
01b = 24MHz
reserved)
1 = ECC 1 = CLKOUT1
10b = 25MHz
handled by enabled
11b = 26MHz
NAND
00b Don't care for 01100b USB0 NAND XIP NANDI2C
00b = 19.2MHz For XIP boot: 0 = ECC done 0 = 8-bit device 0 = CLKOUT1
(all other values ROM code (MUX2)[2
by ROM disabled
01b = 24MHz 00b = non-muxed 1 = 16-bit
reserved) ]
device 1 = ECC device 1 = CLKOUT1
10b = 25MHz
handled by enabled
10b = muxed
11b = 26MHz
NAND
device
x1b = reserved
For NAND boot:
must be 00b
00b Don't care for 01101b USB0 NAND XIP SPI0
00b = 19.2MHz For XIP boot: 0 = ECC done 0 = 8-bit device 0 = CLKOUT1
(all other values ROM code (MUX1)[2
by ROM disabled
01b = 24MHz 00b = non-muxed 1 = 16-bit
reserved) ]
device 1 = ECC device 1 = CLKOUT1
10b = 25MHz
handled by enabled
10b = muxed
11b = 26MHz
NAND
device
x1b = reserved
For NAND boot:
must be 00b
01110b Reserved
00b Don't care for Don't care for Don't care for 01111b UART0 EMAC1 Reserved Reserved
00b = 19.2MHz 00b = MII 0 = CLKOUT1
(all other values ROM code ROM code ROM code
disabled
01b = 24MHz 01b = RMII
reserved)
1 = CLKOUT1
10b = 25MHz 10b =
enabled
Reserved
11b = 26MHz
11b = RGMII
w/o internal
delay
4108
Initialization SPRUH73H–October 2011–Revised April 2013
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